From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Ken Raeburn Newsgroups: gmane.emacs.devel Subject: Re: Should Emacs provide a uuid function? Date: Thu, 28 Apr 2011 11:11:10 -0400 Message-ID: <2E30D21A-83C0-477A-AB08-2E933A16AC2D@raeburn.org> References: <87ipu3v0ru.fsf@stupidchicken.com> <871v0raqub.fsf@uwakimon.sk.tsukuba.ac.jp> <42A7030B-DE0C-4CCA-A768-B82BE70C42F9@raeburn.org> <87y62yafdn.fsf@uwakimon.sk.tsukuba.ac.jp> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable X-Trace: dough.gmane.org 1304003489 17895 80.91.229.12 (28 Apr 2011 15:11:29 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Thu, 28 Apr 2011 15:11:29 +0000 (UTC) Cc: Emacs Dev To: Stephen J. Turnbull Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Apr 28 17:11:25 2011 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1QFSsF-0007Dv-4q for ged-emacs-devel@m.gmane.org; Thu, 28 Apr 2011 17:11:23 +0200 Original-Received: from localhost ([::1]:57405 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QFSsE-0004rj-EA for ged-emacs-devel@m.gmane.org; Thu, 28 Apr 2011 11:11:22 -0400 Original-Received: from eggs.gnu.org ([140.186.70.92]:54899) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QFSs6-0004iQ-LE for emacs-devel@gnu.org; Thu, 28 Apr 2011 11:11:18 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QFSs5-0004pI-Mh for emacs-devel@gnu.org; Thu, 28 Apr 2011 11:11:14 -0400 Original-Received: from mail-vx0-f169.google.com ([209.85.220.169]:59867) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QFSs5-0004pB-Jn for emacs-devel@gnu.org; Thu, 28 Apr 2011 11:11:13 -0400 Original-Received: by vxk20 with SMTP id 20so2764961vxk.0 for ; Thu, 28 Apr 2011 08:11:12 -0700 (PDT) Original-Received: by 10.220.87.201 with SMTP id x9mr1005456vcl.277.1304003472780; Thu, 28 Apr 2011 08:11:12 -0700 (PDT) Original-Received: from squish.raeburn.org (c-24-128-48-142.hsd1.ma.comcast.net [24.128.48.142]) by mx.google.com with ESMTPS id f32sm403713vcm.14.2011.04.28.08.11.11 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 28 Apr 2011 08:11:11 -0700 (PDT) In-Reply-To: <87y62yafdn.fsf@uwakimon.sk.tsukuba.ac.jp> X-Mailer: Apple Mail (2.1084) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-Received-From: 209.85.220.169 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:138871 Archived-At: On Apr 25, 2011, at 04:45, Stephen J. Turnbull wrote: >> Though, at least one version I ran across generates (by default?)=20 >> the information-revealing "version 1" format that encodes the >> machine's MAC address, and while some versions have options to >> control which form is generated, not all do. >=20 > Application where you'd care, please. I don't know; I'm not familiar with many uses of UUIDs, either. I'd = expect some messaging protocols might be able to use such a thing, but = an argument has been made against email/news message-ids using them. = Just pointing it out, in case anyone is assuming uuidgen will always = give something suitable for exposing to the net at large associated with = one's identity. > If any of the data for the > applications mentioned by Leo leaked enough that somebody got hold of > one of the UUIDs, I'd be worried about everything *except* my MAC > address. Are calendar or org files not suitable for being made public? (That's a = serious question; I don't use either one.) Should they include = information that helps track what computers I use? Ken=